Safety dyna-bender

Details Safety dyna-bender Safety dyna-bender

1982-08-13

1984-12-25

Apley, Richard J.

Undertaking

272143, 272142, A63B 2102

Patent

active

044899378

ABSTRACT:
A safety dyna-bender is disclosed having a center cord with considerable flexibility and proper length installed in the hollow section of a dyna-bender through the coupling of a pair of cup-shape positioning anchors, which are respectively disposed at each end of the handle pipes rigidly connected to the steel spring coil thereof. The arrangement of the center cord and the cup-shape positioning anchors within the structure of the dyna-bender provides a safety assurance in protecting the user against any unexpected accidents resulting from either the breaking of the steel spring coil or the sudden loose of the handle pipe of the dyna-bender during exercise.

REFERENCES:
patent: 2714008 (1955-07-01), Urban
patent: 3396967 (1968-08-01), Brown
patent: 3451675 (1969-06-01), Burzenski
patent: 3552371 (1971-01-01), Kahelin
patent: 4193593 (1980-03-01), Wilson
patent: 4305582 (1981-12-01), Barton
patent: 4328964 (1982-05-01), Walls

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